"Sin is simply missing the mark of God’s Plan." - Agreed. Notice that your definition indicates that sin is a verb: "missing the mark". You have to do something - physically or mentally - to sin.
"It wasn’t God’s Plan for Adam to have sinned in the Garden." - I think I agree with you here, and would add that God laid the foundation for forgiveness before he laid the foundation of the world (1Peter 1:20). So maybe a better way to say it would be that Adam and Eve's sin was not God's will, but he already had a plan in place before he created them.
"All humans has (sic) missed the mark of God’s Plan." - Those who have sinned - that is, acted against the will of God for man - have missed the mark. Per the passage I cited earlier, "sin is lawlessness."
"Only Christ Jesus, in His perfect humanity was qualified to [provide an appropriate sacrifice]." - Agreed. But if by this you imply that humans are not created perfect by God, then you have God creating dead spirits. Adam and Eve were created perfect by God and I would hope everyone would agree that God does not create dead spirits. If so, then we all have a perfect human at some point until the spirit dies due to sin. The only question is how this happens. Your position is that...
"The sin is passed genetically from the male to each generation of human." - I notice you cite no scripture. My position - and scripture's - is that "the soul who sins shall die." (Ezekiel 18:4, Romans 6:23). (Just like Adam and Eve, by the way.) Quite frankly, to imagine that sinfulness is a physical genetic problem is ridiculous in light of scripture, which teaches that sin is a spiritual problem, and redemption is a spiritual cure. As Jesus taught, "he that believeth in me, though he were dead, yet shall he live" (John 11:25)
Finally, to repeat a previous citation, "death spread to all men, because all sinned." (Rom 5:12) Not "because all inherited sinfulness from their father."
sinatorhellary, you must have missed my post 73. I posted from God's Second Commandment.
” For I, the Lord your God, am a jealous God, visiting the iniquity of the fathers on the children to the third and fourth generations of those who hate Me, but showing mercy to thousands, to those who love Me and keep My Commandments.”
The iniquities of my grandfathers and great grandfathers are visited on me. My iniquities will be visited to my grandchildren and great grandchildren both male and female.
With this in mind, Cain and Able would have been free of the sin nature and we see how that worked out.
Whether you like it or not, God always puts the male first in the order of things.
May God our Father lead us to His truth, BVB
Rom 5:12.
“Therefore, just as through one man [Adam], sin [the sin nature] entered into the world, and [spiritual] death through [the] sin [nature], so [spiritual] death spread to the entire human race because all sinned [when Adam sinned].”